Titanium coating reduces friction and heat.
High-speed steel pedal drilling has higher quality and durability than ordinary twisted drilling.
These drills are very suitable for creating smooth, clean and round holes. Suitable for perforated plate metal, iron plate, aluminum plate, brass, wood, plastic and so on.
This drill set includes 3 sizes (4-12mm, 4-20mm and 4-32mm) to meet your different needs.
Please remember that only M35 step drilling is suitable for stainless steel.
Specification: black spiral groove three-piece set
Surface treatment: nitrogen treatment (increase hardness and wear resistance)
Handle shape: triangular round handle
Handle diameter: 6mm/8mm/10mm.
Weight: 230g
Total length:
4-12mm length: about 65mm/2.60 inch weight 18.5g
4-20mm length: about 76mm /2.99 inches and 47.5g
4-32mm length: about 101 mm /4.02 inch weight 167.6g
Note: 1. Hand drill and bench drilling can be used for drilling in these steps.
2. When drilling, water injection is used for cooling, which can effectively prolong the service life of the drill bit.
3. The recommended drilling rate is 250-400 RPM.
4.You can use our step drilling machine to drill holes within 5 mm.
5. Please remember that only M35 step drilling is suitable for stainless steel. Never use these HSS 4241 step drills to drill stainless steel!
Colour:black
Material:steel
Package Contents:
1 x 4-12mm worm bit
1 x 4-20mm worm bit
1 x 4-32mm worm bit
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
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How to choose the correct size:
Step 1 Please measure your foot length carefully.
Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
